Method and apparatus for the collection storage and real time an

Details Method and apparatus for the collection storage and real time an Method and apparatus for the collection storage and real time an

1996-01-26

1997-09-09

Kim, John

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210483, 210488, 210489, 210490, 210491, 210496, 210503, 210504, 210506, 210508, 210767, 422 73, 422101, 422104, 436177, 436178, B01D 3700, B01D 6100

Patent

active

056652380

ABSTRACT:
The present invention provides an apparatus for separating a relatively large volume of blood into cellular and acellular fractions without the need for centrifugation. The apparatus comprises a housing divided by a fibrous filter into a blood sample collection chamber having a volume of at least about 1 milliliter and a serum sample collection chamber. The fibrous filter has a pore size of less than about 3 microns, and is coated with a mixture of mannitol and plasma fraction protein (or an animal or vegetable equivalent thereof). The coating causes the cellular fraction to be trapped by the small pores, leaving the cellular fraction intact on the fibrous filter while the acellular fraction passes through the filter for collection in unaltered form from the serum sample collection chamber.

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